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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Statement Of Income And Comprehensive Income [Abstract] |  |
Net earnings | $ 5,337 | $ 4,359
Unrealized gains (losses) on securities |  |
Unrealized holding gains (losses) arising during the period | 5,159 | (3,863)
Amortization of net unrealized gains on held to maturity securities | 5 | 18
Tax effect | (1,086) | 810
Unrealized gains (losses) on securities, net of tax | 4,078 | (3,035)
Unrealized holding (losses) gains arising during the period on interest rate swaps | (83) | 136
Total other comprehensive income (loss) | 3,995 | (2,899)
Comprehensive income | $ 9,332 | $ 974

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